EP 0413344 A3 19920506 - PROCESS FOR PREPARING STRUCTURAL, HEAT-INSULATING SHAPED ARTICLES AND ARTICLES OBTAINABLE THEREBY

Title (en)

PROCESS FOR PREPARING STRUCTURAL, HEAT-INSULATING SHAPED ARTICLES AND ARTICLES OBTAINABLE THEREBY

Publication

EP 0413344 A3 19920506 (EN)

Application

EP 90115732 A 19900816

Priority

IT 2152589 A 19890817

Abstract (en)

[origin: EP0413344A2] Described is a process for preparing structural, heat-insulating shaped bodies, comprising: (a) inserting a heat-insulating pre-moulded core (A) into a tubular element (6) made from an extruded thermoplastic polymer, which tubular element is at high temperature; (b) placing said extruded tubular element containing said pre-moulded core (A) into a blow-moulding mould; (c) moulding said tubular element (6) onto said pre-moulded core. h

IPC 1-7

B29C 63/18; B29C 49/24; B29C 67/18; B29C 33/12

IPC 8 full level

B29C 48/10 (2019.01); B29C 49/20 (2006.01); B29C 49/24 (2006.01); B29C 63/18 (2006.01); B65D 81/38 (2006.01); B29C 70/70 (2006.01); B29C 48/00 (2019.01); B29K 105/04 (2006.01); B29K 105/20 (2006.01); B29L 22/00 (2006.01)

CPC (source: EP)

B29C 48/10 (2019.02); B29C 49/20 (2013.01); B29C 63/18 (2013.01); B29C 70/70 (2013.01); B29C 48/00 (2019.02); B29C 2049/2008 (2013.01); B29C 2049/2013 (2013.01); B29L 2031/3431 (2013.01)

Citation (search report)

[X] US 3322869 A 19670530 - SCOTT JR JOHN N
[X] GB 1125609 A 19680828 - GALICIA PLASTICOS
[Y] FR 2216079 A1 19740830 - HOECHST AG [DE]
[A] US 3424623 A 19690128 - OAKLEY MICHAEL J, et al
[A] US 4133860 A 19790109 - SHARP HERBERT J
[A] EP 0306643 A2 19890315 - REHAU AG & CO
[A] EP 0103832 A2 19840328 - KURZ HESSENTAL GMBH & CO KG [DE]
[A] FR 2077383 A1 19711022 - GRILLO WERKE AG
[Y] PATENT ABSTRACTS OF JAPAN vol. 12, no. 376 (M-750)(3223) 7 October 1988 & JP-A-63 128 929 ( SANYO KASEI GOGYOSHO K.K. ) 1 June 1988

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR LI NL SE

DOCDB simple family (publication)

EP 0413344 A2 19910220; EP 0413344 A3 19920506; AU 6102290 A 19910221; AU 633344 B2 19930128; CA 2023366 A1 19910218; CA 2023366 C 19960220; IT 1231336 B 19911128; IT 8921525 A0 19890817; JP 2930682 B2 19990803; JP H03175014 A 19910730

DOCDB simple family (application)

EP 90115732 A 19900816; AU 6102290 A 19900815; CA 2023366 A 19900815; IT 2152589 A 19890817; JP 21567390 A 19900815